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| author | Anton Staaf <robotboy@chromium.org> | 2015-07-28 15:11:28 -0700 |
|---|---|---|
| committer | ChromeOS Commit Bot <chromeos-commit-bot@chromium.org> | 2015-08-24 19:08:30 +0000 |
| commit | 16f63703c9ccc46ec48abcc586a595456e99fc9a (patch) | |
| tree | 17dc3fa9b72217675e64507facddb7395e91390c /chip/stm32/usart-stm32l.c | |
| parent | f7fa6248bf170d2fffbf3fb067b6ed40f0a4d55f (diff) | |
| download | chrome-ec-16f63703c9ccc46ec48abcc586a595456e99fc9a.tar.gz | |
USART: Add usart_info command
This optional console command is enabled with CONFIG_USART_INFO_COMMAND.
It will display and clear dropped character and overrun counts for all
configured USARTs.
Signed-off-by: Anton Staaf <robotboy@chromium.org>
BRANCH=None
BUG=None
TEST=make buildall -j
Change-Id: Icf6061aaab2cda71e9d317455c897828b9daf844
Reviewed-on: https://chromium-review.googlesource.com/292770
Tested-by: Anton Staaf <robotboy@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Commit-Queue: Anton Staaf <robotboy@chromium.org>
Trybot-Ready: Anton Staaf <robotboy@chromium.org>
Diffstat (limited to 'chip/stm32/usart-stm32l.c')
| -rw-r--r-- | chip/stm32/usart-stm32l.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/chip/stm32/usart-stm32l.c b/chip/stm32/usart-stm32l.c index 0ac9d092b2..a42eab41ff 100644 --- a/chip/stm32/usart-stm32l.c +++ b/chip/stm32/usart-stm32l.c @@ -6,6 +6,7 @@ #include "clock.h" #include "common.h" +#include "compile_time_macros.h" #include "hooks.h" #include "registers.h" #include "task.h" @@ -16,8 +17,15 @@ * each USART, an entry will be NULL if no USART driver is initialized for the * corresponding hardware instance. */ +#define STM32_USARTS_MAX 3 + static struct usart_config const *configs[STM32_USARTS_MAX]; +struct usart_configs usart_get_configs(void) +{ + return (struct usart_configs) {configs, ARRAY_SIZE(configs)}; +} + static void usart_variant_enable(struct usart_config const *config) { /* Use single-bit sampling */ |